The amount of time spent at a checkout counter is a random variable with mean 82 minutes and standard deviation 3 minutes What is the probability that the average wait time for a random sample of 49 customers will be less than 8 minutes? Oa. 0.3203 Ob.0.4326 Oc 0.2241 Od. 0.1135

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The amount of time spent at a checkout counter is a random variable with mean 82 minutes and standard deviation 3 minutes What is the probability that the average wait time for a random sample of 49 customers will be less than 8 minutes?
Oa. 0.3203
Ob.0.4326
Oc 0 2241
Od.0.1135
Transcribed Image Text:The amount of time spent at a checkout counter is a random variable with mean 82 minutes and standard deviation 3 minutes What is the probability that the average wait time for a random sample of 49 customers will be less than 8 minutes? Oa. 0.3203 Ob.0.4326 Oc 0 2241 Od.0.1135
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